You are running an Android version from 2013. No modern security patches exist for Android 4.4.2 itself. However, VLC does not increase your risk.
Assuming you have your vlc-android-3.5.4.apk file ready, follow these steps on your Android 4.4.2 device. vlc media player android 442 apk portable
If you see a "Parse Error," it means the APK is corrupt or requires a newer Android version. Redownload the file, ensuring it’s for ARM (not x86 unless you have an old Intel Atom device) and API level 19 (Android 4.4). You are running an Android version from 2013